Release v0.5.0

Added

• Native Telegram voice message support with automatic transcription via OpenAI Whisper API
• Audio format detection and conversion (OGG/AMR → MP3) using ffmpeg
• Voice message preview in chat: 🎤 Voice: [transcribed text] before forwarding to Claude
• Priority /stop command: immediately cancels running tasks and voice transcription, even when message queue is full
• Comprehensive test coverage for audio processing, transcription, and voice message flow
• Voice configuration options: OPENAI_API_KEY, OPENAI_BASE_URL, WHISPER_MODEL, MAX_VOICE_DURATION, FFMPEG_PATH
• Automatic cleanup of temporary audio files and stale audio detection
• Retry logic with exponential backoff for Whisper API calls
• Voice message duration validation and cost/duration logging

Changed

• /setup skill now includes optional voice message configuration step
• .env.example updated with voice-related configuration options
• Enhanced error handling for voice message processing with user-friendly error messages
• Updated documentation (README, CLAUDE.md) with voice message feature details